#include<bits/stdc++.h>
using namespace std;
long long n,num,a[100005],cnt=0;
int main() {
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%lld",&n);
    for (long long i=1;i<=n;i++) {
        scanf("%lld",&num);
        a[num]++;
    }
    for (long long i=1;i<=100000;i++) cnt=max(cnt,a[i]);
    printf("%lld",cnt);
    return 0;
}